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International Hydrogen Conference (IHC 2016): Materials Performance in Hydrogen Environments

Editor
B. P. Somerday
B. P. Somerday
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P. Sofronis
P. Sofronis
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ISBN:
9780791861387
No. of Pages:
800
Publisher:
ASME Press
Publication date:
2017

The link between the microstructural states following uniaxial fatigue loading in the absence (4 mass ppm of hydrogen) and presence of hydrogen (104 mass ppm of hydrogen) has been made using type 316L austenitic stainless steel. The fracture surface morphology was first examined using scanning electron microscopy and then samples were extracted using focused-ion beam machining from regions containing striations. Microstructures were assessed using conventional diffraction contrast and zone-axis scanning transmission electron imaging conditions. The high internal hydrogen content led to a 22.3% reduction in fatigue life. Later stages of crack growth show hydrogen affecting the depth and degree of...

Introduction
Experimental Methods
Results
Discussion
Conclusions
Acknowledgements
References
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